2025-07-03 12:53:49 +04:00

103 lines
3.5 KiB
C++

#include "ClassInlines.h"
#include "vm/Class.h"
#include "vm/Exception.h"
#include "vm/Method.h"
#include "vm/RCW.h"
#include "gc/GCHandle.h"
#include "metadata/GenericMethod.h"
namespace il2cpp
{
namespace vm
{
Il2CppClass* ClassInlines::InitFromCodegenSlow(Il2CppClass *klass)
{
IL2CPP_ASSERT(klass != il2cpp_defaults.il2cpp_fully_shared_type);
Class::Init(klass);
if (klass->initializationExceptionGCHandle)
il2cpp::vm::Exception::Raise((Il2CppException*)gc::GCHandle::GetTarget(klass->initializationExceptionGCHandle));
return klass;
}
Il2CppClass* ClassInlines::InitFromCodegenSlow(Il2CppClass *klass, bool throwOnError)
{
IL2CPP_ASSERT(klass != il2cpp_defaults.il2cpp_fully_shared_type);
if (throwOnError)
return InitFromCodegenSlow(klass);
Class::Init(klass);
if (klass->initializationExceptionGCHandle)
return NULL;
return klass;
}
const MethodInfo* ClassInlines::InitRgctxFromCodegenSlow(const MethodInfo* method)
{
il2cpp::metadata::GenericMethod::InflateRGCTX(method);
return method;
}
NORETURN static void RaiseExceptionForNotFoundInterface(const Il2CppClass* klass, const Il2CppClass* itf, Il2CppMethodSlot slot)
{
std::string message;
message = "Attempt to access method '" + Type::GetName(&itf->byval_arg, IL2CPP_TYPE_NAME_FORMAT_IL) + "." + Method::GetName(itf->methods[slot])
+ "' on type '" + Type::GetName(&klass->byval_arg, IL2CPP_TYPE_NAME_FORMAT_IL) + "' failed.";
Exception::Raise(il2cpp::vm::Exception::GetMethodAccessException(message.c_str()));
}
const VirtualInvokeData* ClassInlines::GetInterfaceInvokeDataFromVTableSlowPath(const Il2CppClass* klass, const Il2CppClass* itf, Il2CppMethodSlot slot)
{
if (itf->generic_class != NULL)
{
for (uint16_t i = 0; i < klass->interface_offsets_count; ++i)
{
const Il2CppRuntimeInterfaceOffsetPair* pair = klass->interfaceOffsets + i;
if (Class::IsGenericClassAssignableFromVariance(itf, pair->interfaceType, klass))
{
IL2CPP_ASSERT(pair->offset + slot < klass->vtable_count);
return &klass->vtable[pair->offset + slot];
}
}
}
return NULL;
}
const VirtualInvokeData& ClassInlines::GetInterfaceInvokeDataFromVTableSlowPath(Il2CppObject* obj, const Il2CppClass* itf, Il2CppMethodSlot slot)
{
const Il2CppClass* klass = obj->klass;
const VirtualInvokeData* data;
data = GetInterfaceInvokeDataFromVTableSlowPath(klass, itf, slot);
if (data)
return *data;
if (klass->is_import_or_windows_runtime)
{
Il2CppComObject* rcw = static_cast<Il2CppComObject*>(obj);
// It might be null if it's called on a dead (already released) or fake object
if (rcw->identity != NULL)
{
const VirtualInvokeData* invokeData = RCW::GetComInterfaceInvokeData(rcw, itf, slot);
if (invokeData != NULL)
{
// Nothing will be referencing these types directly, so we need to initialize them here
Class::Init(invokeData->method->klass);
return *invokeData;
}
}
}
RaiseExceptionForNotFoundInterface(klass, itf, slot);
IL2CPP_UNREACHABLE;
}
}
}